Improvement in machine for



lenient chitin-r.

JOHN YOUNG OF G, OF

FAIR VIEW, AND C. l. GRUMBINE, OF FRED ERlCK, MARYLAND.

Letters Patent No. 90,622, dated May 25, 1869.

IMPROVEMENT IN MACHINE BORING POSTS AND POIN'IING- RAILS.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that we, JOHN YOUNG OF C, of Fair View, in the county of Frederick, and State of Maryland, and 0. I. GRUMBINE, of the city and county of Frederick, and State of Maryland, have invented a new and improved Machine for Boring Posts and :TPointing Rails; and we do hereby declare that the *following is a full, clear, and exact description of the construction and operation of the same, reference being bad to the accompanying drawings, making a part of this specification, in which Figure l is a vertical section through the line :0 a: of fig. 2.

Figure 2 is a top View.

Figure 3 is a detached View, showing the construction of the knives.

This invention relates to the machine patented by John Young of 0, July 10, A. D. 1855, No. 13,243, and consists in making the angers employed in that machine adjustable, to adapt them to crooked as well as straight posts, .in providing two rotary knives, of peculiar construction, to sharpen the rails, and-in the novel construction of the device which operates the clamps that hold the rail, whereby it is more easily and effectively managed than in the old machine.

In the drawings F indicates the main frame, that supports the knives K K, and their platform, or frame E, together with the'clamps G, and their sliding platform, or frame D, the carriage G, that carries head-blocks H H, and a circular saw, S, that may be employed in connection with said carriage, vvhent he knives and their frame are removed, forthe purpose of sawing out posts, rails, pickets, laths, and other small lumber or timber. I

In connection with this main frame is a small sideframe, B, attached to it, and supporting the angers A A. I

Having thus described the frame, and the general arrangement of the parts, we will now proceed to describe the construction and operation of the several improvements which form the subject of this application, the construction of the'other parts of the machine being substantially the same asthat of the apparatus heretofore patented by John Young of O.

I I I are three metallic brackets, or knees, fixed to the frame B, in line, and supporting a rerticallyadjustable metallic frame, J, which can be fixed higher or lower, by means of slots and set-screws 1' t, and the function of which is to support the angers and their driving-shaft M, and wheel N, and, by being'adj usted up and down, to bring the angers to bear upon the post at the right point, however crooked it may be.

The shaft M is provided with a grooved cylinder, or elongated cog-wheel, m, which gears with smaller cogwheels, a (0, attached to the angers, and thereby enablcs the latter to he slid back and forth longitudinally,

or fed to and withdrawn from the post, without getting out of gear.

A lever, L, is provided, by which both angers can be simultaneously moved back and forth for such purpose, the auger-framc J being adjustable in height, for the purpose above specified, by means of a lever, J.

' The clamp G is, as in the old machine, a box, with one side and the bottom fixed, and-the other side adjustable toward or from the former, for the purpose of clamping and holding the post, rail, or other article, firmly in position while the machine is operating upon it.

The improvement which we have made to this part of the device consists in providing a vertical projection upon-the upper edge of each side ofisaid box, (shown at e e,) in connection therewith, an arm, or block, 0, articulated to the top of the standard, on the fixed side, and capable of bending down over and embracing between its bifurcated, or slotted opposite end the standard, or projection of the movable side of the box, and, together with these parts, an eccentricrheaded lever, P, pivoted, or jointed to the end of the bifurcated block; a ratchet-plate, R, fixed to the block, in the form of a segment of a circle, having its centre at the pivot o, of the lever P; and a pawhp,

attached to the lever, and operating in connection with the ratchet-plate.

The eccentric head of the lever operates against the side of the movable wall of the box, or against the standard 2, fixed thereto, and, when the lever is brought to a horizontal position, forces such side inward against the rail or post, (shown by the red 'lines,) thereby clamping the former firmly.

When the lever-handle is raised, the parts do not double up at the pivot 0, but the pawl on the lever engages with the ratchet-plate attached to the arm, or block 0, and thereby the latter is raised at the same time with the lever, and the rail or post is at once liberated from the clamp.

The apparatus is very simple and effective, and not any required distance from the angers, saw, or knives,

or to be removed from the machine entirely, if desired. The circular. rotary knives K K are, by their construction, adapted to the sharpening of fence-rails.

They, with their driving-shaft Q, and its belt-pulley q or crank q, are mounted upon the main frame, by meams of a frame, or platform E, which can be detached and removed by withdrawing the form-bolts t t.

The knives consist of two concavo-convex disks, ar ranged upon the shaft, with their convex sides toward each other, as shown in figs. 2 and 3, and capable of being adjusted at any suitable distance apart.

pulley, on its outer end, below the angers. 1

been already fully/understood from the above description. 1

When about to bore posts, the frame E, with its knives, may be removed from the machine, and the post placed on the carriage G, and fastened by means of the head-blocks H H. The angers are then adjusted, and the postbored.

To sharpen rails, put the frame E and its connected apparatus in place. Put the rail properly in the clamp,

andfasten it there, by bringing the lever down, and apply the end of the rail to the knives, by moving the carriage up.

To'saw posts, 850., remove the frame E and its ap- Ihe operation 'of the machine will probably have,

paratus, and set the saw S in motion, feeding the lumber thereto by means of the carriage G. The parts D, O, &c.,and the platform upon which they rest, may

be detachable and removable from the carriage, if it should befound more convenient for sawing.

Having thus described our invention,

ters Patent, is I 1. In combination with the slotted metallic brackets cally-adjustable frame J, carrying the boxes for the and described, for the purpose specified.'

2. The combination of the eccentric-headed lever P, pawl p, ratchet-plate R, block 0, and clamping-box 6, when the several parts are constructed to operate in the manner and for the purpose specified.

3. The machine herein described, for boring posts "and sharpening rails, consisting essentially of the disks K-K', carrying the curved adjustable cutting-blades T l, the carriage G, and the clamping-box G, and its appendages, all constructed and arranged to operate in the manner and for the purpose specified.

JOHN YOUNG OF C.

O. I. GRUMBINE.

Witnesses:

WM. VVALSH, P. B. McOLEERY.

What we claim as new, and desire to secure by Let I I I, set-nuts and screws '5 i and lever J the vertiauger-mandrels, and shaft M, all constructed as shown W 

